Sterling Price, Confederate governor Claiborne Jackson, Nathaniel Lyon, and Francis Blair meet at Planters' House in St. Louis to discuss a truce. Lyon was quoted as saying "This means war" after the talks end abruptly

With his troops enlistment expiring, Robert Patterson is relieved of duty in the Shenandoah Valley. He had failed to hold Joseph Johnston in Winchester to prevent Johnston from moving east to support Beauregard at Bull Run.